Subject: [Isis-wg] External IPRA

From: "Sivakumar A" <[email-masked]>
Date: Sat, 29 Dec 2001 19:36:58 +0530

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Subject: External IPRA
From: ""<[email-masked]>
To: "workgroup"<[email-masked]>
Cc: "Jeff Parker"<[email-masked]> ,"Radia Perlman - Boston Center for Networking"<[email-masked]>
Date: Mon, 24 Dec 2001 11:55:22 +0530

Hi,

Kindly clarify the following

Whether External IPRA needs to be summarized? If yes, then consider the following.

External IPRA with Internal Metric matches  Summary Address Table Entry S1. We announce S1 with what ever metric that is configured in the Summary Address Table 

Note: SA table does not have a field indicating the type of metric whether internal or external.

External IPRA with External Metric matches Summary Address Table Entry S2. What should be done now, since the metric configured in the summary Address Table does not specify whether it is internal or external can S2 now be announced for the External IPRA. Will this not violate the specification which says, that external metrics are not camparable to internal metrics?

Any help on this is greatly appreciated 

Thanks &amp; Regards

Sivakumar A
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